CN207798803U - A kind of gas label being used to indicate fruit freshness - Google Patents
A kind of gas label being used to indicate fruit freshness Download PDFInfo
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- CN207798803U CN207798803U CN201721924086.2U CN201721924086U CN207798803U CN 207798803 U CN207798803 U CN 207798803U CN 201721924086 U CN201721924086 U CN 201721924086U CN 207798803 U CN207798803 U CN 207798803U
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Abstract
The utility model provides a kind of gas label being used to indicate fruit freshness, including：Multiple gas sensors, Temperature Humidity Sensor, A/D converter, microcontroller, real-time clock generator RTC, power module and human-computer interaction interface；Wherein, the multiple gas sensor and the Temperature Humidity Sensor are connect by the A/D converter with the microcontroller；The connection with the RTC and the microcontroller respectively of the output end of the power module, the RTC are connect with the microcontroller, and the human-computer interaction interface is connect with the microcontroller.The concentration of gas related with fruit freshness in the storage condition residing for fruit is detected by multiple gases sensor, and combine the humiture of storage condition, the freshness of fruit is obtained and indicated according to the concentration of the various gases detected, reference can be provided for the transport of fruit, storage and sale, avoid wasting.
Description
Technical field
The utility model embodiment is related to fruit freshness preserving technical field, and it is new to be used to indicate fruit more particularly, to one kind
The gas label of freshness.
Background technology
Fruit category fresh and live agricultural product, outstanding feature are fresh perishable, need to be expressly understood that its consumability period, could be at it
It keeps being transported and being sold within the time limit of original freshness, flavor and nutrition to the maximum extent.
Temperature and humidity mostly is limited to the observing and controlling of fresh fruit of vegetables environmental parameter at present, and still carries out physiology after fruit and vegetable picking
Activity, therefore only rely on data of the Temperature and Humidity module and the freshness of fruit can not be differentiated.Some the fruits and vegetables gases that in addition, there will be
Electronic tag is mostly writing function, also can not directly differentiate fruits and vegetables freshness, to lead to transport and restocking sale lot point
With unreasonable so that fruit profit on sales is relatively low.
Utility model content
The utility model embodiment provides a kind of use for overcoming the above problem or solving the above problems at least partly
In the gas label of instruction fruit freshness.
The utility model embodiment provides a kind of gas label being used to indicate fruit freshness, the gas label packet
It includes：Multiple gas sensors, Temperature Humidity Sensor, A/D converter, microcontroller, real-time clock generator RTC, power module
And human-computer interaction interface；Wherein,
The multiple gas sensor and the Temperature Humidity Sensor are connected by the A/D converter and the microcontroller
It connects；
The output end of the power module respectively with the power interface of the RTC and the power interface of the microcontroller
Connection, the RTC pass through I2C interface is connect with the microcontroller, and the human-computer interaction interface is controlled by liquid crystal display LCD
Device processed is connect with the microcontroller.
Further, the multiple gases sensor includes at least carbon dioxide sensor, ethylene sensor, acetic acid sensing
Device and ethanol sensor.
Further, the human-computer interaction interface is touch screen liquid crystal display, the viewing area of the touch screen liquid crystal display
Including temperature display area, humidity display area and freshness viewing area.
Further, the gas label further includes indicator light, and the indicator light passes through SMI interfaces and the microcontroller
It is connected.
Further, the indicator light can send out the light of multiple color.
Further, the gas label further includes memory module, and the memory module includes synchronous dynamic random storage
Device SDRAM and SD card, the SDRAM are connect by DDR3 interfaces with the microcontroller, the SD card by SD card interface with
The microcontroller connection.
Further, the gas label further includes 3G communication modules, and the 3G communication modules pass through RS485 modules and institute
State microcontroller connection.
Further, the multiple gas sensor is metal oxide sensor.
Further, the power module is rechargeable lithium battery.
A kind of gas label being used to indicate fruit freshness that the utility model embodiment provides, is passed by multiple gases
Sensor detects the concentration of gas related with fruit freshness in the storage condition residing for fruit, and combines storage condition
Humiture, the freshness of fruit is obtained and indicated according to the concentration of the various gases detected, can be fruit transport,
Storage and sale provide reference, avoid wasting.
Description of the drawings
Fig. 1 is a kind of structural representation for gas label being used to indicate fruit freshness that the utility model embodiment provides
Figure.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, is explicitly described the technical scheme in the embodiment of the utility model, it is clear that described reality
It is the utility model a part of the embodiment to apply example, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is new to belong to this practicality for the every other embodiment that domain those of ordinary skill is obtained without making creative work
The range of type protection.
Fruit is with the difference of temperature and storage time, and the type and concentration of the gas of release will be all varied from, as long as right
The type and concentration of various gases are acquired in fruit storage environment, it will be able to show that the freshness of fruit, this practicality are new
Type embodiment provides a kind of gas label being used to indicate fruit freshness.
Fig. 1 is a kind of structural representation for gas label being used to indicate fruit freshness that the utility model embodiment provides
Figure, the gas label include：Multiple gas sensors, Temperature Humidity Sensor, A/D converter, microcontroller, real-time clock hair
Raw device RTC, power module and human-computer interaction interface；Wherein：
The multiple gas sensor and the Temperature Humidity Sensor are connected by the A/D converter and the microcontroller
It connects.The output end of the power module is connect with the power interface of the power interface of the RTC and the microcontroller respectively,
The RTC passes through I2C interface is connect with the microcontroller, and the human-computer interaction interface passes through liquid crystal display LCD controller
It is connect with the microcontroller.
Wherein, I2C (Inter-Integrated Circuit) interface is a kind of universal serial bus that Philips companies release
Mode, for the communication between IC devices.It is connected to by serial data line and serial time clock line both threads in bus
Information is transmitted between device, and each device is identified by software addressing, without chip select line.I2The standard transmission of C interface
Rate is 100Kbit/s, and maximum transmission rate can arrive 400Kbit/s.
Specifically, the multiple gas sensor is for visiting the concentration of the various gases in fruit storage environment
It surveys, the multiple gases that fruit generates include the gases such as carbon dioxide, ethylene, acetic acid and ethyl alcohol.For example, using ethylene sensor
Detect the concentration of wherein ethylene, the concentration of the ethylene in the ethylene sensor fruit storage environment is as input, output is just
In the current or voltage of physical measurement.As the fruit storage time is elongated and the variation of ambient temperature and humidity, the second of the release of fruit
The concentration of alkene gas can also change, and the response of the ethylene sensor can also change therewith.
Since the voltage or electric current of the output of the multiple gas sensor are all analog quantitys, need to convert by the A/D
After device converts the analog quantity that the multiple gas sensor exports to digital quantity, then input in the microcontroller as described
Multiple gases concentration data in the storage condition that multiple gas sensors detect.Meanwhile the Temperature Humidity Sensor also will
Data of the Temperature and Humidity module in storage condition residing for collected fruit inputs in the microcontroller.
In addition, the real-time clock generator (Real-Time Clock, RTC) passes through I2C interface transmission time information is given
The microcontroller, the work for the microcontroller provide time reference.Power module is used to provide power supply for described device
With progress Charge Management.
The concentration data and data of the Temperature and Humidity module for the multiple gases that the microcontroller was inputted according to each moment call default
Freshness instruction model judge the freshness of fruit, wherein include difference in the preset freshness instruction model
The threshold value of gas not of the same race under middle humiture.Then it will determine that result is sent to human-computer interaction interface and is shown, meanwhile, it can be with
According to types of fruits select freshness indicate model type, and real-time display environment temperature, ambient humidity, date-time and
Grade of freshness.
It is to be appreciated that it is known in this field to establish freshness instruction model according to the concentration of multiple gases and humiture
Corresponding freshness instruction model can be stored in the microprocessor for judging by technology previously according to the type of fruit
The freshness of fruit.Wherein, freshness can also be configured according to actual demand, such as can be divided into A, B, C three grades, and
Freshness declines successively.
A kind of gas label being used to indicate fruit freshness that the utility model embodiment provides, is passed by multiple gases
Sensor detects the concentration of gas related with fruit freshness in the storage condition residing for fruit, and combines storage condition
Humiture, the freshness of fruit is obtained and indicated according to the concentration of the various gases detected, can be fruit transport,
Storage and sale provide reference, avoid wasting.
Based on above-described embodiment, the multiple gases sensor includes at least carbon dioxide sensor, ethylene sensor, second
Acid sensor and ethanol sensor.
Based on above-described embodiment, the display is liquid crystal display, and the human-computer interaction interface is touch screen liquid crystal display
The viewing area of device, the touch screen liquid crystal display includes temperature display area, humidity display area and freshness viewing area.
Specifically, the human-computer interaction interface is touch screen liquid crystal display, and operating personnel can both observe freshness instruction
As a result, the type of freshness instruction model can be selected by touch operation again.The touch screen liquid crystal display of described device is arranged
The position of shown device panel can be observed directly in operating personnel, wherein displayable information on the touch screen liquid crystal display
Including being shown in the temperature value in temperature display area, being shown in the humidity value in humidity display area and being shown in freshness viewing area
Fruit freshness so that operating personnel can more intuitively obtain the humiture information and fruit of storage condition residing for fruit
Freshness.Meanwhile it is small, light-weight using touch screen liquid crystal display, it is easily installed and operates.
Based on above-described embodiment, the gas label further includes indicator light, the indicator light by SMI interfaces with it is described micro-
Controller is connected.
Specifically, described device can not only indicate the freshness of fruit by the information on the display panel of display,
It can also be by light that indicator light is sent out come the freshness of only fruit.
Further, the indicator light can send out the light of multiple color.
Specifically, each freshness degree of fruit is corresponding with a kind of light color of indicator light, if for example, by fruit
Freshness is divided into A, B, C three grades, then three kinds of light colors are arranged in indicator light, wherein white light corresponds to freshness A, green light
Corresponding freshness B, feux rouges correspond to freshness C, and operating personnel can determine the new of fruit by the color of viewing lamp light
Freshness so that the gas label is more intuitive to the instruction of fruit freshness.
Based on above-described embodiment, the gas label further includes memory module, the memory module include synchronous dynamic with
Machine memory storage SDRAM and SD card, the SDRAM are connect by DDR3 interfaces with the microcontroller, and the SD card passes through SD card
Interface is connect with the microcontroller.
Specifically, the data that various gas sensors and Temperature Humidity Sensor obtain can be stored, and when needed
SDRAM or SD card may be selected in export, export mode.
Based on above-described embodiment, the gas label further includes 3G communication modules, and the 3G communication modules pass through RS485 moulds
Block is connect with the microcontroller.
Specifically, 3G communication modules connect the wireless biography, it can be achieved that differentiating result by RS485 interfaces with main controller
It is defeated.
Based on above-described embodiment, the multiple gas sensor is metal oxide sensor.
Specifically, using metal-oxide gas transducer so that device to the sensitivity of gas concentration change detection more
It is high so that the instruction of fruit freshness is accurate much sooner.
Based on above-described embodiment, the power module is one piece of rechargeable lithium battary.
Specifically, the battery module uses rechargeable lithium battary, can make whole device volume smaller, weight is more
Gently, easy to carry and installation.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of gas label being used to indicate fruit freshness, which is characterized in that the gas label includes：Multiple gases pass
Sensor, Temperature Humidity Sensor, A/D converter, microcontroller, real-time clock generator RTC, power module and human-computer interaction circle
Face；Wherein,
The multiple gas sensor and the Temperature Humidity Sensor are connect by the A/D converter with the microcontroller；
The output end of the power module connects with the power interface of the power interface of the RTC and the microcontroller respectively
It connects, the RTC passes through I2C interface is connect with the microcontroller, and the human-computer interaction interface is controlled by liquid crystal display LCD
Device is connect with the microcontroller.
2. gas label according to claim 1, which is characterized in that the multiple gases sensor includes at least carbon dioxide
Sensor, ethylene sensor, acetic acid sensor and ethanol sensor.
3. gas label according to claim 1, which is characterized in that the human-computer interaction interface is touch screen liquid crystal display,
The viewing area of the touch screen liquid crystal display includes temperature display area, humidity display area and freshness viewing area.
4. gas label according to claim 1, which is characterized in that the gas label further includes indicator light, the instruction
Lamp is connected by SMI interfaces with the microcontroller.
5. gas label according to claim 4, which is characterized in that the indicator light can send out the light of multiple color.
6. gas label according to claim 1, which is characterized in that the gas label further includes memory module, described to deposit
Storage module includes synchronous DRAM SDRAM and SD card, and the SDRAM is connected by DDR3 interfaces and the microcontroller
It connects, the SD card is connect by SD card interface with the microcontroller.
7. gas label according to claim 1, which is characterized in that the gas label further includes 3G communication modules, described
3G communication modules are connect by RS485 modules with the microcontroller.
8. gas label according to claim 1, which is characterized in that the multiple gas sensor senses for metal oxide
Device.
9. gas label according to claim 1, which is characterized in that the power module is rechargeable lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721924086.2U CN207798803U (en) | 2017-12-29 | 2017-12-29 | A kind of gas label being used to indicate fruit freshness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924086.2U CN207798803U (en) | 2017-12-29 | 2017-12-29 | A kind of gas label being used to indicate fruit freshness |
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| CN207798803U true CN207798803U (en) | 2018-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849947A (en) * | 2019-11-20 | 2020-02-28 | 齐齐哈尔大学 | Fruit deterioration detection system and construction method and detection method thereof |
| CN115078662A (en) * | 2022-07-22 | 2022-09-20 | 广东省农业科学院蚕业与农产品加工研究所 | Intelligent analysis method and system for vegetable and fruit preservation state |
| CN115271602A (en) * | 2022-08-01 | 2022-11-01 | 深圳市昂捷信息技术股份有限公司 | Intelligent fruit and vegetable warehouse management method and device and electronic equipment |
-
2017
- 2017-12-29 CN CN201721924086.2U patent/CN207798803U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849947A (en) * | 2019-11-20 | 2020-02-28 | 齐齐哈尔大学 | Fruit deterioration detection system and construction method and detection method thereof |
| CN110849947B (en) * | 2019-11-20 | 2022-08-09 | 齐齐哈尔大学 | Fruit deterioration detection system and construction method and detection method thereof |
| CN115078662A (en) * | 2022-07-22 | 2022-09-20 | 广东省农业科学院蚕业与农产品加工研究所 | Intelligent analysis method and system for vegetable and fruit preservation state |
| CN115271602A (en) * | 2022-08-01 | 2022-11-01 | 深圳市昂捷信息技术股份有限公司 | Intelligent fruit and vegetable warehouse management method and device and electronic equipment |
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